1
22
23 package com.liferay.util.bridges.wai;
24
25 import com.liferay.portal.kernel.log.Log;
26 import com.liferay.portal.kernel.log.LogFactoryUtil;
27 import com.liferay.portal.kernel.servlet.PortletServlet;
28 import com.liferay.portal.kernel.util.GetterUtil;
29 import com.liferay.portal.kernel.util.HttpUtil;
30 import com.liferay.portal.kernel.util.ParamUtil;
31 import com.liferay.portal.kernel.util.StringPool;
32
33 import java.io.IOException;
34
35 import java.util.HashMap;
36 import java.util.Map;
37
38 import javax.portlet.ActionRequest;
39 import javax.portlet.ActionResponse;
40 import javax.portlet.GenericPortlet;
41 import javax.portlet.PortletConfig;
42 import javax.portlet.PortletException;
43 import javax.portlet.PortletURL;
44 import javax.portlet.RenderRequest;
45 import javax.portlet.RenderResponse;
46 import javax.portlet.WindowState;
47
48 import javax.servlet.RequestDispatcher;
49 import javax.servlet.ServletException;
50 import javax.servlet.http.HttpServletRequest;
51 import javax.servlet.http.HttpServletResponse;
52
53
58 public class WAIPortlet extends GenericPortlet {
59
60 public static final String CONNECTOR_IFRAME = "iframe";
61
62 public static final String CONNECTOR_INCLUDE = "include";
63
64 public void init(PortletConfig portletConfig) throws PortletException {
65 super.init(portletConfig);
66
67 _connector = GetterUtil.getString(
68 portletConfig.getInitParameter("wai.connector"), CONNECTOR_IFRAME);
69 }
70
71 public void processAction(
72 ActionRequest actionRequest, ActionResponse actionResponse) {
73 }
74
75 public void render(
76 RenderRequest renderRequest, RenderResponse renderResponse)
77 throws IOException, PortletException {
78
79 if (renderRequest.getWindowState().equals(WindowState.MAXIMIZED)) {
80 invokeApplication(renderRequest, renderResponse);
81 }
82 else {
83 renderNormalWindowState(renderRequest, renderResponse);
84 }
85 }
86
87 protected void forward(
88 HttpServletRequest request, HttpServletResponse response,
89 String path)
90 throws PortletException {
91
92 RequestDispatcher requestDispatcher =
93 request.getRequestDispatcher(path);
94
95 try {
96 requestDispatcher.forward(request, response);
97 }
98 catch (IOException ioe) {
99 _log.error(ioe, ioe);
100 }
101 catch (ServletException se) {
102 throw new PortletException(se);
103 }
104 }
105
106 protected void invokeApplication(
107 RenderRequest renderRequest, RenderResponse renderResponse)
108 throws IOException, PortletException {
109
110 HttpServletRequest request =
111 (HttpServletRequest)renderRequest.getAttribute(
112 PortletServlet.PORTLET_SERVLET_REQUEST);
113 HttpServletResponse response =
114 (HttpServletResponse)renderRequest.getAttribute(
115 PortletServlet.PORTLET_SERVLET_RESPONSE);
116
117 String portletName = getPortletConfig().getPortletName();
118
119 String friendlyURL = (String)request.getAttribute("FRIENDLY_URL");
120
121 int pos = friendlyURL.indexOf(_MAPPING);
122
123 StringBuilder contextPath = new StringBuilder();
124
125 contextPath.append(friendlyURL.substring(0, pos + _MAPPING.length()));
126 contextPath.append(StringPool.SLASH);
127 contextPath.append(portletName);
128
129 pos = friendlyURL.indexOf(portletName);
130
131 String pathInfo = friendlyURL.substring(pos + portletName.length());
132
133 Map<String, String[]> params = new HashMap<String, String[]>(
134 request.getParameterMap());
135
136 params.remove(_APP_URL);
137
138 String queryString = HttpUtil.parameterMapToString(params, false);
139
140 String appUrl = ParamUtil.getString(
141 renderRequest, _APP_URL, StringPool.SLASH);
142
143 if (_connector.equals(CONNECTOR_IFRAME)) {
144 request.setAttribute(
145 _APP_URL, renderRequest.getContextPath() + appUrl);
146
147 String iframeExtraHeight = GetterUtil.getString(
148 getPortletConfig().getInitParameter(
149 "wai.connector.iframe.height.extra"),
150 "40");
151
152 renderRequest.setAttribute(
153 "wai.connector.iframe.height.extra", iframeExtraHeight);
154
155 forward(request, response, _JSP_IFRAME);
156 }
157 else if (_connector.equals(CONNECTOR_INCLUDE)) {
158 HttpServletRequest waiRequest = new WAIHttpServletRequest(
159 request, contextPath.toString(), pathInfo, queryString, params);
160
161 RequestDispatcher requestDispatcher = request.getRequestDispatcher(
162 appUrl);
163
164 try {
165 requestDispatcher.forward(waiRequest, response);
166 }
167 catch (ServletException se) {
168 throw new PortletException(se);
169 }
170 }
171 }
172
173 protected void renderNormalWindowState(
174 RenderRequest renderRequest, RenderResponse renderResponse)
175 throws PortletException {
176
177 HttpServletRequest request =
178 (HttpServletRequest)renderRequest.getAttribute(
179 PortletServlet.PORTLET_SERVLET_REQUEST);
180 HttpServletResponse response =
181 (HttpServletResponse)renderRequest.getAttribute(
182 PortletServlet.PORTLET_SERVLET_RESPONSE);
183
184 PortletURL renderURL = renderResponse.createRenderURL();
185
186 renderURL.setWindowState(WindowState.MAXIMIZED);
187
188 renderRequest.setAttribute("renderURL", renderURL.toString());
189
190 forward(request, response, _JSP_NORMAL_WINDOW_STATE);
191 }
192
193 private static final String _MAPPING = "waiapp";
194
195 private static final String _APP_URL = "appURL";
196
197 private static final String _JSP_DIR = "/WEB-INF/jsp/liferay/wai";
198
199 private static final String _JSP_IFRAME = _JSP_DIR + "/iframe.jsp";
200
201 private static final String _JSP_NORMAL_WINDOW_STATE =
202 _JSP_DIR + "/normal_window_state.jsp";
203
204 private static Log _log = LogFactoryUtil.getLog(WAIPortlet.class);
205
206 private String _connector;
207
208 }